#include<stdio.h>
int main()
{
	
	//printf("%d\n", strlen("1\tedc\123\x22\t"));//strlen计算不包括\0
   
	int a = 10;
	printf("%d", sizeof(int));//4
	printf("%d", sizeof(a));//4
	printf("%d", sizeof a);//4
	return 0;
	
}
